<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>if you want</title>
</head>
<style>
    body {
        background-image: url("1.jpg");
        background-position: center center;
        background-repeat: no-repeat;
        background-size: 100% 100%;
        height: 100%;
        margin: 0;
    }
    
    html,
    body {
        height: 100%;
    }
    
    ul {
        /* position: fixed; */
        left: 30px;
        top: 0;
        margin: 0;
        padding: 0;
        width: 100%;
        list-style-type: none;
        /* 使紧贴上方 */
        overflow: hidden;
        height: 37px;
        /* 这样可以使背景透明而图片不透明 */
        background-color: rgba(117, 219, 239, 0.2);
    }
    
    li {
        display: inline;
        float: left;
        font-size: large;
    }
    
    li a,
    .droptn {
        display: inline-block;
        color: aliceblue;
        text-align: center;
        padding: 5px 6px;
        text-decoration: none;
    }
    
    .dropdown:hover,
    .droptn {
        background-color: rgba(0, 138, 138, 0.5);
    }
    
    li a:hover {
        background-color: rgba(0, 138, 138, 0.5);
    }
    
    a:visited {
        color: rgb(217, 243, 248);
        height: 35px;
    }
    
    a:link {
        color: white;
    }
    
    a {
        text-decoration: none;
        display: block;
        width: 80px;
        text-align: center;
        font-size: large;
    }
    
    .active {
        background-color: rgba(0, 138, 138, 0.5);
        height: 35px;
        font-family: 微软雅黑;
        bottom: 0;
    }
    
    .dropdown {
        display: inline-block;
        width: 100px;
        vertical-align: middle;
    }
    /* 下拉内容默认隐藏 */
    
    .dropdown-content {
        display: none;
        position: absolute;
        background-color: rgba(117, 219, 239, 0.2);
        min-width: 2px;
        box-shadow: 0px 5px 6px 0px rgba(0, 0, 0, 0.4);
        /* padding: 5px 6px; */
        width: 100px;
    }
    
    .droptn {
        background-color: rgba(117, 219, 239, 0);
        color: white;
        padding: 6px;
        font-size: 17px;
        text-align: center;
        border: none;
        cursor: pointer;
        height: 36px;
        width: 100px;
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }
    
    .dropdown-content a {
        color: white;
        padding: 5px 0px;
        text-decoration: none;
        display: block;
    }
    
    .dropdown-content a:hover {
        background-color: rgba(117, 219, 239, 0.2);
        width: 100%;
    }
    
    .wenzi {
        padding-left: 50px;
        font-size: 100px;
        font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
        font-style: oblique;
        color: #9c7c63;
    }
    
    .wenzi2 {
        padding-left: 50px;
        font-size: 100px;
        font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
        font-style: oblique;
        color: #194139;
    }
</style>

<body>

    <div>
        <ul>
            <li><a class="active" herf="index.html">主页</a></li>
            <div class="dropdown">
                <button class="droptn">壁纸</button>
                <div class="dropdown-content">
                    <a href="#">治愈系</a>
                    <a href="#">狂野系</a>
                </div>
            </div>
            <div class="dropdown">
                <button class="droptn">头像</button>
                <div class="dropdown-content">
                    <a href="#">动漫</a>
                    <a href="#">复古</a>
                    <a href="#">小众</a>
                </div>
            </div>
            <div class="dropdown">
                <button class="droptn">好看</button>
                <div class="dropdown-content">
                    <a href="#">很好看</a>
                    <a href="#">好好看</a>
                    <a href="#">狠狠好看</a>
                </div>
            </div>
            <div class="dropdown">
                <button class="droptn">奇奇怪怪</button>
                <div class="dropdown-content">
                    <a href="#">微笑</a>
                    <a href="#">牛泪</a>
                    <a href="#">撇嘴</a>
                </div>
            </div>
        </ul>
    </div>
    <div>
        <h1 class="wenzi">Welcome to </h1>
    </div>

    <div>
        <h2 class="wenzi2">Paradise of images</h2>
    </div>
</body>

</html>